Configure eslint properly

.eslintrc.js

@@ -1,14 +1,27 @@
 module.exports = {
-    parser: "@typescript-eslint/parser", // Specifies the ESLint parser
-    parserOptions: {
-        ecmaVersion: 2020, // Allows for the parsing of modern ECMAScript features
-        sourceType: "module" // Allows for the use of imports
+    "env": {
+        "browser": true,
+        "es2021": true
     },
-    extends: [
-        "plugin:@typescript-eslint/recommended" // Uses the recommended rules from the @typescript-eslint/eslint-plugin
+    "extends": "standard-with-typescript",
+    "overrides": [
+        {
+            "env": {
+                "node": true
+            },
+            "files": [
+                ".eslintrc.{js,cjs}"
+            ],
+            "parserOptions": {
+                "sourceType": "script"
+            }
+        }
     ],
-    rules: {
-        // Place to specify ESLint rules. Can be used to overwrite rules specified from the extended configs
-        // e.g. "@typescript-eslint/explicit-function-return-type": "off",
+    "parserOptions": {
+        "ecmaVersion": "latest",
+        "sourceType": "module"
+    },
+    "rules": {
+        "@typescript-eslint/strict-boolean-expressions": "off"
     }
-};
+}

.github/workflows/build.yml → .github/workflows/yarn.yml

@@ -1,17 +1,24 @@
-name: 'Build'
+name: yarn
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      [master]
+  pull_request:
 
 jobs:
   build:
-    name: Test build
+    name: yarn
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
-          node-version: 14
+          node-version: 18
       - name: Build
         run: |
           yarn install
           yarn build
+      - name: Lint
+        run: |
+          yarn lint

.vscode/extensions.json

@@ -3,7 +3,6 @@
     "github.vscode-pull-request-github",
     "eamodio.gitlens",
     "dbaeumer.vscode-eslint",
-    "esbenp.prettier-vscode",
     "bierner.lit-html",
     "runem.lit-plugin",
     "davidanson.vscode-markdownlint",

package.json

@@ -29,14 +29,13 @@
     "@rollup/plugin-image": "^2.1.1",
     "@rollup/plugin-json": "^5.0.0",
     "@types/luxon": "^3.3.0",
-    "@typescript-eslint/eslint-plugin": "^4.33.0",
+    "@typescript-eslint/eslint-plugin": "^6.4.0",
     "@typescript-eslint/parser": "^4.33.0",
-    "eslint": "^7.32.0",
-    "eslint-config-airbnb-base": "^14.2.1",
-    "eslint-config-prettier": "^8.3.0",
-    "eslint-plugin-import": "^2.24.0",
-    "eslint-plugin-prettier": "^4.0.0",
-    "prettier": "^2.4.1",
+    "eslint": "^8.0.1",
+    "eslint-config-standard-with-typescript": "^39.1.0",
+    "eslint-plugin-import": "^2.25.2",
+    "eslint-plugin-n": "^15.0.0 || ^16.0.0 ",
+    "eslint-plugin-promise": "^6.0.0",
     "rollup": "^2.58.0",
     "rollup-plugin-babel": "^4.4.0",
     "rollup-plugin-commonjs": "^10.1.0",
@@ -45,7 +44,7 @@
     "rollup-plugin-serve": "^1.1.0",
     "rollup-plugin-terser": "^7.0.2",
     "rollup-plugin-typescript2": "^0.36.0",
-    "typescript": "^4.8.4"
+    "typescript": "*"
   },
   "resolutions": {
     "lit": "^2.1.2",
@@ -55,9 +54,8 @@
   },
   "scripts": {
     "start": "rollup -c rollup.config.dev.js --watch",
-    "build": "npm run lint && npm run rollup",
-    "lint": "eslint src/*.ts",
-    "rollup": "rollup -c",
-    "prettier": "prettier --write src/*.ts"
+    "build": "yarn rollup",
+    "lint": "eslint **/*.ts --max-warnings 0",
+    "rollup": "rollup -c"
   }
 }